A single speck of dust is half way in size between a subatomic particle and the Earth.
15
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The bark of an older redwood tree is fireproof.
65
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
One third of the electricity produced on earth is used to power electric light bulbs!
75